247
247
Jan 23, 2015
01/15
by
David Larsen
audio
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Alexander G Bell invented the telephone while he was trying to make a device for the hard of hearing.
Topics: Telephone, Alexander Bell, Inventing the telephone, David Larsen, KK4WW, Bugook, bugbooks, bugbook,...
734
734
Jan 23, 2015
01/15
by
David Larsen
audio
eye 734
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Alexander Bell received his patent ahead of other inventor by chance - he should have been second one that day not # one - Dave www.kk4ww.com
Topics: telephone invention, telephone, Alexander Bell, hearing aid, patent, David Larsen, KK4WW, N4USA,...
218
218
Jan 23, 2015
01/15
by
David Larsen
audio
eye 218
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Alexander Bell is giving credit for his photo phone - the photo phone was actually a simple way for Bell to transmitter his voice wireless by a light beam. This was 4 years after he received his patent for the phone. Years before the word or concept of wireless was used. Dave www.kk4ww.com
Topics: Alexander Bell, Wireless, photophone, invention, David Larsen, KK4WW, N4USA, bugbook, Bugbooks,...